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AutoCodes - Generic - P0812

P0812 Code - Reverse Input Circuit

- Code Popularity: 18,752 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P0812?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Reverse Input Switch
  • Reverse Input Switch harness is open or shorted
  • Reverse Input Switch circuit poor electrical connection
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How to Fix the DTC P0812?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0812 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P0812 Description

The Transmission Control Module (TCM) monitors the Reverse Switch Input signal. The TCM sets the OBDII code when the Reverse Switch Input is not to factory specifications.

OBDII Code P0812 - Reverse Input Circuit - AutoCodes.com
P0812 Code - Reverse Input Circuit

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Information for Specific Makes

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Code P0812 comments

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